Mission-Critical Platform Engineer (TS/SCI)

CACI International Inc; Washington (District of Columbia); On-site; USD 75,200 - 158,100; Full time

Benefits offered by this job

Health care

Flexible time-off

Learning resources

Job summary

CACI International Inc is seeking a Platform Specialist to join our 24/7 operations team supporting DI A and related environments. The role focuses on Windows Server, Linux, on-premise and cloud infrastructures, with emphasis on automation, patch management, and continuous availability.

Requirements include TS/SCI clearance with poly, DOD 8140 (Security+ or equivalent), and 4+ years of hands-on IT experience across hardware and software solutions. Travel up to 10% within CONUS.

Qualifications

• Must hold current TS/SCI clearance with poly before start.
• DOD 8140 certification applicable to the role (minimum Security+).
• One of the following certifications: Microsoft Windows Server Hybrid Administrator Associate, Red Hat Certified Administrator (RHCSA), or Linux Professional Institute LPIC-1.
• Education and experience combinations as listed in the posting.
• Minimum of 4 years hands-on IT hardware/software integration experience.

Responsibilities

• Deploy, operate, and maintain Windows Server and Linux OS across physical, virtual, and cloud environments.
• Automate builds, rebuilds, and configurations for rapid deployment and high availability.
• Support IATT and ATO processes and coordinate POA&Ms.
• Provide incident analysis and hands-on support for infrastructure and devices.
• Coordinate with Engineering and Operations to maximize remote admin uptime.
• Perform scheduled and ad hoc maintenance; manage patching across networks.
• Develop test scripts in lab, conduct beta testing, and manage blue/green transitions.
• Analyze system performance and capacity; optimize resources and address incidents.
• Create SOPs and reporting aligned with contract deliverables; support CSI initiatives.

Skills

TS/SCI clearance

Security+ or DOD 8140

Windows Server & Linux admin

Automation scripting

Cloud/virtualization basics

Education

AA + 10+ yrs

BS/BA + 8+ yrs

MS/MA + 6+ yrs

PhD + 4+ yrs

Job description

CACI International Inc is seeking a Platform Specialist to join our 24/7 operations team supporting DI A and related environments. The role focuses on Windows Server, Linux, on-premise and cloud infrastructures, with emphasis on automation, patch management, and continuous availability.

Requirements include TS/SCI clearance with poly, DOD 8140 (Security+ or equivalent), and 4+ years of hands-on IT experience across hardware and software solutions. Travel up to 10% within CONUS.